Added 9 October 2026 gemini noun Categories: PeopleNatureRare Words noun ! Definition from WordNet 3.1, Princeton University. More about gemini at Wordnik → Where our words come from → (astrology) a person who is born while the sun is in Gemini. A zodiacal constellation in the northern hemisphere between Taurus and Cancer on the ecliptic. The third sign of the zodiac; the sun is in this sign from about May 21 to June 20. Related Words: telescopedoubletitanorionpolluxalgolperseusdioscuribellatrixvirgopegasus Back to today's word